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33 WCF brass primers
August 6, 2019
8:43 pm
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Errol NH. Great North Woods
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Was wondering if anyone knew what size or type of modern primer an Older Winchester 33 brass would take ??

August 6, 2019
9:51 pm
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If you're using original or reformed brass in .33WCF, any modern large rifle primer will work.  make sure they are "large rifle" and not large pistol.  There is a difference.  I prefer Federal 210, but any Winchester, Remington, CCI, etc, will work as long as they are large rifle.  You could also use large rifle magnum primers, but I probably wouldn't use these in old original brass.  The ones I've mentioned here will work with every smokeless load available for the .33WCF.  Hope this will help.

August 7, 2019
8:07 pm
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 Used Winchester Large Rifle Primers in my reloaded .33 Winchester rifle cartridges ,when I had a rifle in that calibre.

August 9, 2019
8:10 pm
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Errol NH. Great North Woods
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These are larger than Large rifle primers I’ve loaded many they are original WCF 33s these came in a box of 25 older but new stock had dimpled primers already in them but they are larger than large rifle primers

August 10, 2019
1:18 am
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Never heard of such a thing.  What brand was the ammo?  I have several early boxes of both Winchester and Rem/UMC ammo plus some loose rounds.  All would take a standard large rifle primer.

August 10, 2019
7:38 am
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Denmark
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Great north woods said
These are larger than Large rifle primers I’ve loaded many they are original WCF 33s these came in a box of 25 older but new stock had dimpled primers already in them but they are larger than large rifle primers  

Are they Berdan primed?

They come in some odd sizes!

 

http://www.dave-cushman.net/shot/berdan_supplies_dimensions.html

August 10, 2019
8:55 pm
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chickenthief said

Are they Berdan primed?

They come in some odd sizes!

 

http://www.dave-cushman.net/shot/berdan_supplies_dimensions.html  

Chickenthief has a good point.  Never have used any of these.

August 12, 2019
4:29 pm
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Errol NH. Great North Woods
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No they are Winchester Original brass 33 WCF they came years ago and were in a box of 25 primed brass but the primers were dimpled , they are new brass but are different size than large rifle primers

August 12, 2019
6:17 pm
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Denmark
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Right!

I dug deeper and Winchester did indeed make a larger Boxer primer called the 225 which had a diameter of .225" instead of the normal .210".

Unfortunatly they are long obsolete and nowhere to be found.

https://i.imgur.com/n8tqpgi.jpgImage Enlarger

https://i.imgur.com/4d4eVsx.jpgImage Enlarger

August 12, 2019
7:21 pm
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Great north woods said
No they are Winchester Original brass 33 WCF they came years ago and were in a box of 25 primed brass but the primers were dimpled , they are new brass but are different size than large rifle primers  

We are not questioning who made the brass.  We are only talking about 2 completely different types of primers.  Boxer or Berdan.  And now two diameters?  Where are the dimples located?  Some primers pockets are made different so they can hold the primer in tighter.

August 14, 2019
4:32 am
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Hi.  I think that what you have are Winchester's Protected Primers, in size 5 1/2,   .236 Diameter.      These were made Pre-War, With  double  cups, Outer one with small hole for firing pin.   Idea was to prevent cartridges in magazine being set off by recoil.   I have only seen them in 30/30, but the bigger ones may have been used in 33WCF.       Eric

August 14, 2019
5:52 am
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Eric Ryan said
Hi.  I think that what you have are Winchester's Protected Primers, in size 5 1/2,   .236 Diameter.      These were made Pre-War, With  double  cups, Outer one with small hole for firing pin.   Idea was to prevent cartridges in magazine being set off by recoil.   I have only seen them in 30/30, but the bigger ones may have been used in 33WCF.       Eric  

I think we have a winner!

Image Enlarger

https://forum.cartridgecollectors.org/t/protected-primer-reload/9111/5

August 14, 2019
8:11 pm
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Well, that went off like a fart in a diving hemet!

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